Draft group research idea mapper.

Drag the vertices around to generate fresh ideas. Please screen-grab and send to me arrangements that you find inspiring!
Contact me to add vertices or edges.
The idea is that the intersection of [PhD students] with [people having PPM as co-supervisor] will be a subset of vertices;
and some other vertices will be research areas.

Caveats: The ``group'' for which this maps ideas is undefined!
The selection of vertices is not entirely logical; and the role of Game of Thrones houses is unclear!
The code is housed on github and uses (nice but random) proprietary widgets.
The graph embedding resets to a random initial one at each page refresh.
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